Possible in-service damages of steam generators at VVER-1000 and VVER-1200 NPP units and their impact on long-term operation

Alexander Arzhaev; Alexey Arzhaev; Valentin Makhanev; Mikhail Antonov; Anton Emelianov; Aleksander Kalyutik; Yury Karyakin; Maksim Kurakin; Daniil Lyashenko; Kirill Arzhaev; Ilya Denisov

Conference ProceedingsOPEN ACCESS

Possible in-service damages of steam generators at VVER-1000 and VVER-1200 NPP units and their impact on long-term operation

E3S Web of Conferences (2020) 209

DOI: 10.1051/e3sconf/202020903005

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Abstract

Specific features of corrosion-mechanical damages of primary circuit header to steam generator vessel branch welds at VVER-1000 NPPs and their impact on safety and economic efficiency during long-term operation are analysed. Measures to avoid the damages for similar zones of VVER-1200 steam generators are discussed.

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Arzhaev, A., Arzhaev, A., Makhanev, V., Antonov, M., Emelianov, A., Kalyutik, A., … Denisov, I. (2020). Possible in-service damages of steam generators at VVER-1000 and VVER-1200 NPP units and their impact on long-term operation. In E3S Web of Conferences (Vol. 209). EDP Sciences. https://doi.org/10.1051/e3sconf/202020903005

Possible in-service damages of steam generators at VVER-1000 and VVER-1200 NPP units and their impact on long-term operation

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